Video: The Douchiest Moments in MMA History!

Martial arts are all about respect and discipline... but I guess these guys didn't get the memo.

In this video narrated by Mike DelGaudio, check out some of the worst examples of poor sportsmanship we've ever seen in MMA. From Rousimar Palhares holding submissions, to Shinya Aoki flipping off opponents, and Renzo Gracie stepping on a fallen opponent, these are moments that will leave you shaking your head and wondering... what were they thinking?